Finding the Fourth Proportional to 119,112,438.42, 178,592,189.17 and 46,251,582.08
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Solution
The fourth proportional to 119,112,438.42, 178,592,189.17 and 46,251,582.08 is: 69,347,680.27
Step by Step Solution
- Step 1: Write the proportion equation
119,112,438.42 : 178,592,189.17 = 46,251,582.08 : x - Step 2: Convert to fraction form
119,112,438.42/178,592,189.17 = 46,251,582.08/x - Step 3: Cross multiply
119,112,438.42x = 178,592,189.17 × 46,251,582.08 - Step 4: Simplify right side
119,112,438.42x = 8,260,171,296,243,141 - Step 5: Solve for x
x = 8,260,171,296,243,141/119,112,438.42 - Step 6: Final answer
x = 69,347,680.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.